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Pop-up flash diffuser softbox for Canon, Nikon, Panasonic, ...
32x32 Pop Up Softbox (comes with s2-bracket) - FlashGear.net
Interfit Pop-Up Softbox for Badger-Series Flash Heads and HB178
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Amazon.com : ENHANCE Camera Light Diffuser Softbox for Pop Up and External Speedlites with Foldable, Universal Design, Compatible with Neewer, Altura, Youngnuo and More Speedlite Flashes : Camera Flash Light Diffusers : Electronics
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32x32 Pop Up Softbox (comes with s2-bracket) - FlashGear.net
D-Fuse White Softbox - The Fuss-Free Pop-up Softbox Line Expands | CineD
Neewer 26''/65cm Foldable Octagonal Softbox Bowens Mount Speedring – neewer.com